RAM FULL FORM - SSC NOTES PDF

RAM FULL FORM

RAM FULL FORM

Full Form of RAM : Random Access Memory

What is the Full form of RAM?

No:1. The full form of RAM is Random Access Memory.
No:2. To write & read into storage, RAM has been used.
No:3. RAM preserves files & programme data that the CPU is running.
No:4. As data is lost when power is switched off, it is a volatile memory.
No:5. RAM can be further subdivided into two categories
a). SRAM (Static RAM)
b). DRAM (Dynamic RAM)

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A Brief History of RAM

No:1. The Williams tube was used in 1947 to produce the first type of RAM.
No:2. The CRT (Cathode Ray Tube) was used and information was stored on the face of the tube in the form of electrical charge spots.
No:3. Magnetic-core memory has been used as a second commonly used type of RAM afterwards in the same year, 1947.
No:4. Many patents were on the title of Frederick Viehe, who was responsible with much of the development work.
No:5. For dealing with Magnetic-core memory, small metal rings & wires connecting to every ring have been used. One bit of data has been preserved in every one of those rings and that data can be retrieved at any moment.
No:6. However, in 1968, Robert Dennard initially discovered RAM, that is now known as solid-state memory. Transistors have been used to preserve bits of information in DRAMs.

Benefits of RAM

No:1. RAM does not include a mechanical moving component, so no noise is generated.
No:2. RAM requires far less power than a mechanical disc drive. It lowers emissions of CO2 and prolongs battery life.
No:3. RAM is considered to be the quickest medium of storage.

Limitations of RAM

No:1. Unless there is a power recovery system like a laptop battery, the power outage can induce irrecoverable loss of data.
No:2. The price of RAM per bit is huge, so devices don’t include much of it.
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